Graph circles

1. Select the circle tool .
2. In the graph, select the circle's center.
3. Move to a point on the circumference of your circle.
4. When you are on the correct point, click or tap to graph the point.

You can add more than one circle to your graph.

Demonstration: Plot a circle

 

Use the selection tool to select the line or a point of the circle:

• If the line is selected, the point you plotted is blue and the circle line is orange.
• When a point is selected, the point changes to a blue bulls-eye.

Demonstration: Select a circle

 

Change a circle in one of these ways:

• Drag the circle to a new position.
• Drag the point on the circle to a new position to change the circumference.
• Select a point or the center of the circle and press Shift plus an arrow key to move it.
• If your instructor allows, select a point, choose Edit Coordinates, and enter the new coordinates.

To remove a selected circle, press Delete on your keyboard or select Delete in the tool palette.

1. Select the region shading tool .
2. Click or tap inside the circle.

Demonstration: Fill a circle